Michael Temkin, D.O.
NPI 1194787929 · Internal Medicine Physician · San Ramon, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Temkin, D.O. is a Internal Medicine Physician provider in San Ramon, CA (NPI 1194787929).
Provider details
- NPI number
- 1194787929
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- License
- 20A6924 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,141 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 466 | $145 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 199 | $148 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 180 | $17 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 133 | $103 |
| Colorectal Cancer Screening; Fecal Occult Blood Test, Immunoassay, 1-3 SimultaneousG0328 | 124 | $18 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 78 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 413 | 113 |
| Atorvastatin Calcium | 387 | 107 |
| Levothyroxine Sodium | 205 | 55 |
| Rosuvastatin Calcium | 156 | 47 |
| Metformin Hcl | 114 | 32 |
| Lisinopril | 107 | 31 |
| Trazodone Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Michael Temkin's NPI number?
- Michael Temkin's National Provider Identifier (NPI) is 1194787929, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Temkin's specialty?
- Michael Temkin is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Temkin located?
- Michael Temkin's practice location on file with NPPES is 1081 Market Pl, San Ramon, CA 94583-4773.
- What is Michael Temkin's phone number?
- The practice phone number listed in the NPPES registry for Michael Temkin is (925) 866-3900.
- Does Michael Temkin accept Medicare?
- Michael Temkin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Temkin's NPI active?
- Yes — Michael Temkin's NPI (1194787929) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.